| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2148 |
87.1%
|
| 2 | 1 time | 131 |
5.3%
|
| 3 | 2 or 3 times | 86 |
3.5%
|
| 4 | 4 or 5 times | 71 |
2.9%
|
| 5 | 6 or more times | 30 |
1.2%
|
| Sysmiss | 42 |